De Havilland DASH8 100 Series Maintenance Manual page 66

Manual).
NOTE: Check insulation resistance terminal to casing, 2 megohms minimum at
45 volts AC or DC.
(12) Connect alumel and chromel leads to terminal block and torque alumel nut (large
diameter) to 25 to 30 pound−inches and chromel nut (small diameter) to 20 to 25
pound−inches (refer to Figure 203).
(13) Close circuit breakers (refer to step (1)).
MASTER
EFFECTIVITY: See Pageblock 77−20−11 page 201
D
S ERIES 100
AIRCRAFT MAINTENANCE MANUAL
77−20−11
Dec 20/2004
Page 202